*{
    margin:0;
    padding:0;
}
body{
    overflow: hidden;
}
.navigation{
    float: right;
    line-height: 24px;
    margin:19px 12px 5px;
}
.navigation ul{
    list-style-type: none;
    /* overflow: hidden; */
    float: left;
    margin-right: 15px;
}
.navigation>ul>li{
    float: left;
    
}
.navigation ul li>a{
    color:#333;
    font-size: 13px;
    font-weight: bold;
    padding:4px 10px;
}
.navigation>ul>li:nth-last-child(1)>a{
    font-weight: normal;
}
.navigation>ul>li:nth-last-child(2) a{
    font-weight: normal;
}
.navigation>ul>li>a:hover{
    color:#00c;
}
.navigation button{
    width: 60px;
    height: 23px;
    border:0;
    
    background: #38f;
}
.navigation button>a{
    color: #fff;
    font-size: 13px;
    text-decoration: none;   
}
.navigation button>a:hover{
    text-decoration: underline;
}
#hidden::before{
    content: "";
    display: block;
    position: absolute;
    z-index:102;
    left: 27px;
    top: -16px;
    width: 0px;
    height: 0px;
    border:8px solid transparent;
    border-bottom-color:#fff;
    /* box-shadow: 0 0 4px 3px rgb(114, 113, 113); */
}
#hidden::after{
    content: "";
    display: block;
    position: absolute;
    z-index: 101;
    left: 27px;
    top: -17px;
    width: 0px;
    height: 0px;
    border: 8px solid transparent;
    border-bottom-color: #ccc;
    /* box-shadow: 0 0 4px 3px rgb(114, 113, 113); */
}
#hidden{
    left: -12px;
    top: 35px;
    width: 72px;
    position: absolute;
    z-index:100;
    border:1px solid #ccc;
    box-shadow: 0 0 4px 1px #ccc;
}
#hidden>ul{
    margin-right: 0px;   
}
#hidden>ul>li{
    text-align: center;
}
#hidden>ul>li>a{
    text-decoration: none;
    font-weight: normal;
}
#hidden>ul>li:hover a{
    background: #38f;
    color:#fff;
}
.none{
    display: none;
}
#drop{
    position: relative;
}
#drop::after{
    content:"";
    display: block;
    width:0px;
    height: 0px;
    border:5px solid transparent;
    border-top-color: #333;
    position: absolute;
    left: 40px;
    top: 10px;
    z-index:103;
}